IU Aur (Eclipsing binary)

RA: 05h 27m 52.40s, DE: +34° 46' 58.30" (81.9683333333, 34.7828611104)

Data:

  • Constellation: Aur
  • Variability type: EB
  • Maximal brightness (Mag): 8.190 (V)
  • Minimum brightness (Mag): 8.830 (V)
  • Brightness in secondary minimum (Mag): 8.190 (V)
  • Astrophysical interest: Light time effect (LTE)
  • Created: 6/1/1996
  • Created by: admin
Periodic elements:

  • Period (d): 1.811474500000000
  • Epoch (HJD): 38448.40630
  • Secondary Epoch (HJD): 38449.31200
Change log:

11/19/2025, Filip Walter:

  • Astrophysical interest: Light time effect (LTE), Apsidal motion → Light time effect (LTE)
  • Astrophysical interest: Nothing → Light time effect (LTE), Apsidal motion

Number of observations

65 x

Number of observers

4 x

Last observed before

1 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2438448.4063 + 1.8114745 * E
S: M = 2438449.312 + 1.8114745 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline